Finding the Fourth Proportional to 9,337.34, 12,887.42 and 5,361.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.34 : 12,887.42 = 5,361.18 : x
2. Step 2: Convert to fraction form
   9,337.34/12,887.42 = 5,361.18/x
3. Step 3: Cross multiply
   9,337.34x = 12,887.42 × 5,361.18
4. Step 4: Simplify right side
   9,337.34x = 69,091,751.55
5. Step 5: Solve for x
   x = 69,091,751.55/9,337.34
6. Step 6: Final answer
   x = 7,399.52